000 00577nam a2200169Ia 4500
008 190328s9999||||xx |||||||||||||| ||und||
020 _a92-4-120889-9
040 _aNITIL
_cNITIL
082 _221st
_a612.022
_bW927W
110 _aWorld Health Organisation (New Delhi)
245 0 _aWHO expert committee on bilogical standardization
_bforty-eighth report
260 _aGeneva
_bWho
_c1999
300 _avi, 111p.
440 _aWho Technical report series; 889
650 _aBiology-Research; Biology-Experiments; Biological control systems; Biological products
942 _cBKS
999 _c36230
_d36230